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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Aggregates, Elastic-Modulus, and Poisson's Ratio of Concrete
Author(s): Sami A. Klink
Publication: Journal Proceedings
Appears on pages(s): 961-965
Keywords: aggregates; compressive strength; concretes; deformation; density (mass/volume); heavyweight aggregates; lightweight aggregates; modulus of elasticity; Poisson ratio; strains; stresses; structural analysis; tests.
Abstract:Tests were carried out on specimens of heavyweight, normal weight, and lightweight concrete for determining the effects of aggregates on the elastic modulus and Poisson's ratio in compression at the centers of the corresponding specimens. Internal strains were measured by means of embeddable strain-gage units especially constructed for this investigation. The test results showed that the mineral compositions of the aggregates used have negligible effects on the elastic modulus and Poisson's ratio of concrete and confirmed previous findings, namely, that these elastic constants at the centers of concrete specimens, referred to as "actual" in this paper, are about 55 percent higher than those obtained by the standard methods of test. They also confirmed the existence of the previously established relations between the actual elastic constants, density, and compressive strength of concrete, which should prove useful for structural designers in rationally predicting deformations, displacements, stresses and losses in prestressed and ordinary reinforced plates, shells, and other types of concrete structures.
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